203173828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 426111840

約数和(自身を除く): 222938012

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 89, 143, 169, 178, 286, 307, 338, 356, 572, 614, 676, 979, 1157, 1228, 1859, 1958, 2314, 3377, 3718, 3916, 3991, 4628, 6754, 7436, 7982, 12727, 13508, 15041, 15964, 25454, 27323, 30082, 43901, 50908, 51883, 54646, 60164, 87802, 103766, 109292, 165451, 175604, 207532, 300553, 330902, 355199, 570713, 601106, 661804, 710398, 1141426, 1202212, 1420796, 2282852, 3907189, 4617587, 7814378, 9235174, 15628756, 18470348, 50793457, 101586914, 203173828]

約数ペア:

[(1, 203173828), (2, 101586914), (4, 50793457), (11, 18470348), (13, 15628756), (22, 9235174), (26, 7814378), (44, 4617587), (52, 3907189), (89, 2282852), (143, 1420796), (169, 1202212), (178, 1141426), (286, 710398), (307, 661804), (338, 601106), (356, 570713), (572, 355199), (614, 330902), (676, 300553), (979, 207532), (1157, 175604), (1228, 165451), (1859, 109292), (1958, 103766), (2314, 87802), (3377, 60164), (3718, 54646), (3916, 51883), (3991, 50908), (4628, 43901), (6754, 30082), (7436, 27323), (7982, 25454), (12727, 15964), (13508, 15041)]